$have_pve_manager = 1;
};
+my $pve_fw_status_dir = "/var/lib/pve-firewall";
+
+mkdir $pve_fw_status_dir; # make sure this exists
+
my $security_group_name_pattern = '[A-Za-z][A-Za-z0-9\-\_]+';
my $ipset_name_pattern = '[A-Za-z][A-Za-z0-9\-\_]+';
-my $ip_alias_pattern = '[A-Za-z][A-Za-z0-9\-\_]+';
+our $ip_alias_pattern = '[A-Za-z][A-Za-z0-9\-\_]+';
my $max_alias_name_length = 64;
my $max_ipset_name_length = 64;
emerg => 0,
};
+# we need to overwrite some macros for ipv6
+my $pve_ipv6fw_macros = {
+ 'Ping' => [
+ { action => 'PARAM', proto => 'icmpv6', dport => 'echo-request' },
+ ],
+ 'Trcrt' => [
+ { action => 'PARAM', proto => 'udp', dport => '33434:33524' },
+ { action => 'PARAM', proto => 'icmpv6', dport => 'echo-request' },
+ ],
+ };
+
# imported/converted from: /usr/share/shorewall/macro.*
my $pve_fw_macros = {
'Amanda' => [
# and we use '_swap' suffix for atomic update,
# for example PVEFW-${VMID}-${ipset_name}_swap
-my $max_iptables_ipset_name_length = 31 - length("_swap") - length("-v4");
+my $max_iptables_ipset_name_length = 31 - length("PVEFW-") - length("_swap");
sub compute_ipset_chain_name {
- my ($vmid, $ipset_name) = @_;
+ my ($vmid, $ipset_name, $ipversion) = @_;
$vmid = 0 if !defined($vmid);
- my $id = "$vmid-${ipset_name}";
+ my $id = "$vmid-${ipset_name}-v$ipversion";
- if ((length($id) + 6) > $max_iptables_ipset_name_length) {
+ if (length($id) > $max_iptables_ipset_name_length) {
$id = PVE::Tools::fnv31a_hex($id);
}
}
my $apply_macro = sub {
- my ($macro_name, $param, $verify) = @_;
+ my ($macro_name, $param, $verify, $ipversion) = @_;
my $macro_rules = $pve_fw_parsed_macros->{$macro_name};
die "unknown macro '$macro_name'\n" if !$macro_rules; # should not happen
+ if ($ipversion && ($ipversion == 6) && $pve_ipv6fw_macros->{$macro_name}) {
+ $macro_rules = $pve_ipv6fw_macros->{$macro_name};
+ }
+
my $rules = [];
foreach my $templ (@$macro_rules) {
$errors->{$param} = $msg if !$errors->{$param};
};
+ my $ipversion;
+ my $set_ip_version = sub {
+ my $vers = shift;
+ if ($vers) {
+ die "detected mixed ipv4/ipv6 adresses in rule\n"
+ if $ipversion && ($vers != $ipversion);
+ $ipversion = $vers;
+ }
+ };
+
my $check_ipset_or_alias_property = sub {
my ($name, $expected_ipversion) = @_;
my $alias = lc($value);
&$add_error($name, "no such alias '$value'")
if !($cluster_conf->{aliases}->{$alias} || ($fw_conf && $fw_conf->{aliases}->{$alias}));
-
- my $e = $fw_conf->{aliases}->{$alias} if $fw_conf;
+ my $e = $fw_conf ? $fw_conf->{aliases}->{$alias} : undef;
$e = $cluster_conf->{aliases}->{$alias} if !$e && $cluster_conf;
- die "detected mixed ipv4/ipv6 adresses in rule\n"
- if $expected_ipversion && ($expected_ipversion != $e->{ipversion});
+ &$set_ip_version($e->{ipversion});
}
}
};
}
}
- my $ipversion;
- my $set_ip_version = sub {
- my $vers = shift;
- if ($vers) {
- die "detected mixed ipv4/ipv6 adresses in rule\n"
- if $ipversion && ($vers != $ipversion);
- $ipversion = $vers;
- }
- };
-
if ($rule->{proto}) {
eval { pve_fw_verify_protocol_spec($rule->{proto}); };
&$add_error('proto', $@) if $@;
&$check_ipset_or_alias_property('dest', $ipversion);
}
+ $rule->{ipversion} = $ipversion if $ipversion;
+
if ($rule->{macro} && !$error_count) {
- eval { &$apply_macro($rule->{macro}, $rule, 1); };
+ eval { &$apply_macro($rule->{macro}, $rule, 1, $ipversion); };
if (my $err = $@) {
if (ref($err) eq "PVE::Exception" && $err->{errors}) {
my $eh = $err->{errors};
}
$rule->{errors} = $errors if $error_count;
- $rule->{ipversion} = $ipversion if $ipversion;
return $rule;
}
}
sub ruleset_generate_cmdstr {
- my ($ruleset, $chain, $rule, $actions, $goto, $cluster_conf, $fw_conf) = @_;
+ my ($ruleset, $chain, $ipversion, $rule, $actions, $goto, $cluster_conf, $fw_conf) = @_;
return if defined($rule->{enable}) && !$rule->{enable};
return if $rule->{errors};
if ($source =~ m/^\+(${ipset_name_pattern})$/) {
my $name = $1;
if ($fw_conf && $fw_conf->{ipset}->{$name}) {
- my $ipset_chain = compute_ipset_chain_name($fw_conf->{vmid}, $name);
+ my $ipset_chain = compute_ipset_chain_name($fw_conf->{vmid}, $name, $ipversion);
push @cmd, "-m set --match-set ${ipset_chain} src";
} elsif ($cluster_conf && $cluster_conf->{ipset}->{$name}) {
- my $ipset_chain = compute_ipset_chain_name(0, $name);
+ my $ipset_chain = compute_ipset_chain_name(0, $name, $ipversion);
push @cmd, "-m set --match-set ${ipset_chain} src";
} else {
die "no such ipset '$name'\n";
}
} elsif ($source =~ m/^${ip_alias_pattern}$/){
my $alias = lc($source);
- my $e = $fw_conf->{aliases}->{$alias} if $fw_conf;
+ my $e = $fw_conf ? $fw_conf->{aliases}->{$alias} : undef;
$e = $cluster_conf->{aliases}->{$alias} if !$e && $cluster_conf;
die "no such alias '$source'\n" if !$e;
push @cmd, "-s $e->{cidr}";
if ($dest =~ m/^\+(${ipset_name_pattern})$/) {
my $name = $1;
if ($fw_conf && $fw_conf->{ipset}->{$name}) {
- my $ipset_chain = compute_ipset_chain_name($fw_conf->{vmid}, $name);
+ my $ipset_chain = compute_ipset_chain_name($fw_conf->{vmid}, $name, $ipversion);
push @cmd, "-m set --match-set ${ipset_chain} dst";
} elsif ($cluster_conf && $cluster_conf->{ipset}->{$name}) {
- my $ipset_chain = compute_ipset_chain_name(0, $name);
+ my $ipset_chain = compute_ipset_chain_name(0, $name, $ipversion);
push @cmd, "-m set --match-set ${ipset_chain} dst";
} else {
die "no such ipset '$name'\n";
}
} elsif ($dest =~ m/^${ip_alias_pattern}$/){
my $alias = lc($dest);
- my $e = $fw_conf->{aliases}->{$alias} if $fw_conf;
+ my $e = $fw_conf ? $fw_conf->{aliases}->{$alias} : undef;
$e = $cluster_conf->{aliases}->{$alias} if !$e && $cluster_conf;
die "no such alias '$dest'\n" if !$e;
push @cmd, "-d $e->{cidr}";
}
sub ruleset_generate_rule {
- my ($ruleset, $chain, $rule, $actions, $goto, $cluster_conf, $fw_conf) = @_;
+ my ($ruleset, $chain, $ipversion, $rule, $actions, $goto, $cluster_conf, $fw_conf) = @_;
my $rules;
if ($rule->{macro}) {
- $rules = &$apply_macro($rule->{macro}, $rule);
+ $rules = &$apply_macro($rule->{macro}, $rule, 0, $ipversion);
} else {
$rules = [ $rule ];
}
my @cmds = ();
foreach my $tmp (@$rules) {
- if (my $cmdstr = ruleset_generate_cmdstr($ruleset, $chain, $tmp, $actions, $goto, $cluster_conf, $fw_conf)) {
+ if (my $cmdstr = ruleset_generate_cmdstr($ruleset, $chain, $ipversion, $tmp, $actions, $goto, $cluster_conf, $fw_conf)) {
push @cmds, $cmdstr;
}
}
}
sub ruleset_generate_rule_insert {
- my ($ruleset, $chain, $rule, $actions, $goto) = @_;
+ my ($ruleset, $chain, $ipversion, $rule, $actions, $goto) = @_;
die "implement me" if $rule->{macro}; # not implemented, because not needed so far
- if (my $cmdstr = ruleset_generate_cmdstr($ruleset, $chain, $rule, $actions, $goto)) {
+ if (my $cmdstr = ruleset_generate_cmdstr($ruleset, $chain, $ipversion, $rule, $actions, $goto)) {
ruleset_insertrule($ruleset, $chain, $cmdstr);
}
}
}
sub ruleset_add_chain_policy {
- my ($ruleset, $chain, $vmid, $policy, $loglevel, $accept_action) = @_;
+ my ($ruleset, $chain, $ipversion, $vmid, $policy, $loglevel, $accept_action) = @_;
if ($policy eq 'ACCEPT') {
- ruleset_generate_rule($ruleset, $chain, { action => 'ACCEPT' },
+ ruleset_generate_rule($ruleset, $chain, $ipversion, { action => 'ACCEPT' },
{ ACCEPT => $accept_action});
} elsif ($policy eq 'DROP') {
}
sub ruleset_chain_add_input_filters {
- my ($ruleset, $chain, $options, $cluster_conf, $ipversion, $loglevel) = @_;
+ my ($ruleset, $chain, $ipversion, $options, $cluster_conf, $loglevel) = @_;
if ($cluster_conf->{ipset}->{blacklist}){
if (!ruleset_chain_exist($ruleset, "PVEFW-blacklist")) {
ruleset_addlog($ruleset, "PVEFW-blacklist", 0, "DROP: ", $loglevel) if $loglevel;
ruleset_addrule($ruleset, "PVEFW-blacklist", "-j DROP");
}
- my $ipset_chain = compute_ipset_chain_name(0, 'blacklist');
+ my $ipset_chain = compute_ipset_chain_name(0, 'blacklist', $ipversion);
ruleset_addrule($ruleset, $chain, "-m set --match-set ${ipset_chain} src -j PVEFW-blacklist");
}
}
sub ruleset_create_vm_chain {
- my ($ruleset, $chain, $options, $macaddr, $ipfilter_ipset, $direction) = @_;
+ my ($ruleset, $chain, $ipversion, $options, $macaddr, $ipfilter_ipset, $direction) = @_;
ruleset_create_chain($ruleset, $chain);
my $accept = generate_nfqueue($options);
if (!(defined($options->{dhcp}) && $options->{dhcp} == 0)) {
if ($direction eq 'OUT') {
- ruleset_generate_rule($ruleset, $chain, { action => 'PVEFW-SET-ACCEPT-MARK',
- proto => 'udp', sport => 68, dport => 67 });
+ ruleset_generate_rule($ruleset, $chain, $ipversion,
+ { action => 'PVEFW-SET-ACCEPT-MARK',
+ proto => 'udp', sport => 68, dport => 67 });
} else {
- ruleset_generate_rule($ruleset, $chain, { action => 'ACCEPT',
- proto => 'udp', sport => 67, dport => 68 });
+ ruleset_generate_rule($ruleset, $chain, $ipversion,
+ { action => 'ACCEPT',
+ proto => 'udp', sport => 67, dport => 68 });
}
}
next if $rule->{type} ne $lc_direction;
eval {
if ($direction eq 'OUT') {
- ruleset_generate_rule($ruleset, $chain, $rule,
+ ruleset_generate_rule($ruleset, $chain, $ipversion, $rule,
{ ACCEPT => "PVEFW-SET-ACCEPT-MARK", REJECT => "PVEFW-reject" },
undef, $cluster_conf, $vmfw_conf);
} else {
- ruleset_generate_rule($ruleset, $chain, $rule,
+ ruleset_generate_rule($ruleset, $chain, $ipversion, $rule,
{ ACCEPT => $in_accept , REJECT => "PVEFW-reject" },
undef, $cluster_conf, $vmfw_conf);
}
my $chain = "venet0-$vmid-$direction";
- ruleset_create_vm_chain($ruleset, $chain, $options, undef, undef, $direction);
+ ruleset_create_vm_chain($ruleset, $chain, $ipversion, $options, undef, undef, $direction);
ruleset_generate_vm_rules($ruleset, $rules, $cluster_conf, $vmfw_conf, $chain, 'venet', $direction, undef, $ipversion);
my $accept = generate_nfqueue($options);
my $accept_action = $direction eq 'OUT' ? "PVEFW-SET-ACCEPT-MARK" : $accept;
- ruleset_add_chain_policy($ruleset, $chain, $vmid, $policy, $loglevel, $accept_action);
+ ruleset_add_chain_policy($ruleset, $chain, $ipversion, $vmid, $policy, $loglevel, $accept_action);
if ($direction eq 'OUT') {
- ruleset_generate_rule_insert($ruleset, "PVEFW-VENET-OUT", {
+ ruleset_generate_rule_insert($ruleset, "PVEFW-VENET-OUT", $ipversion, {
action => $chain,
source => $ip,
iface_in => 'venet0'});
} else {
- ruleset_generate_rule($ruleset, "PVEFW-VENET-IN", {
+ ruleset_generate_rule($ruleset, "PVEFW-VENET-IN", $ipversion, {
action => $chain,
dest => $ip,
iface_out => 'venet0'});
my $tapchain = "$iface-$direction";
my $ipfilter_name = compute_ipfilter_ipset_name($netid);
- my $ipfilter_ipset = compute_ipset_chain_name($vmid, $ipfilter_name)
+ my $ipfilter_ipset = compute_ipset_chain_name($vmid, $ipfilter_name, $ipversion)
if $vmfw_conf->{ipset}->{$ipfilter_name};
# create chain with mac and ip filter
- ruleset_create_vm_chain($ruleset, $tapchain, $options, $macaddr, $ipfilter_ipset, $direction);
+ ruleset_create_vm_chain($ruleset, $tapchain, $ipversion, $options, $macaddr, $ipfilter_ipset, $direction);
if ($options->{enable}) {
ruleset_generate_vm_rules($ruleset, $rules, $cluster_conf, $vmfw_conf, $tapchain, $netid, $direction, $options, $ipversion);
my $accept = generate_nfqueue($options);
my $accept_action = $direction eq 'OUT' ? "PVEFW-SET-ACCEPT-MARK" : $accept;
- ruleset_add_chain_policy($ruleset, $tapchain, $vmid, $policy, $loglevel, $accept_action);
+ ruleset_add_chain_policy($ruleset, $tapchain, $ipversion, $vmid, $policy, $loglevel, $accept_action);
} else {
my $accept_action = $direction eq 'OUT' ? "PVEFW-SET-ACCEPT-MARK" : 'ACCEPT';
- ruleset_add_chain_policy($ruleset, $tapchain, $vmid, 'ACCEPT', $loglevel, $accept_action);
+ ruleset_add_chain_policy($ruleset, $tapchain, $ipversion, $vmid, 'ACCEPT', $loglevel, $accept_action);
}
# plug the tap chain to bridge chain
ruleset_addrule($ruleset, $chain, "-i lo -j ACCEPT");
ruleset_chain_add_conn_filters($ruleset, $chain, 'ACCEPT');
- ruleset_chain_add_input_filters($ruleset, $chain, $options, $cluster_conf, $ipversion, $loglevel);
+ ruleset_chain_add_input_filters($ruleset, $chain, $ipversion, $options, $cluster_conf, $loglevel);
# we use RETURN because we need to check also tap rules
my $accept_action = 'RETURN';
# add host rules first, so that cluster wide rules can be overwritten
foreach my $rule (@$rules, @$cluster_rules) {
next if !$rule->{enable} || $rule->{errors};
+ next if $rule->{ipversion} && ($rule->{ipversion} != $ipversion);
$rule->{iface_in} = $rule->{iface} if $rule->{iface};
if ($rule->{type} eq 'group') {
ruleset_add_group_rule($ruleset, $cluster_conf, $chain, $rule, 'IN', $accept_action, $ipversion);
} elsif ($rule->{type} eq 'in') {
- ruleset_generate_rule($ruleset, $chain, $rule, { ACCEPT => $accept_action, REJECT => "PVEFW-reject" },
+ ruleset_generate_rule($ruleset, $chain, $ipversion, $rule,
+ { ACCEPT => $accept_action, REJECT => "PVEFW-reject" },
undef, $cluster_conf, $hostfw_conf);
}
};
}
# allow standard traffic for management ipset (includes cluster network)
- my $mngmnt_ipset_chain = compute_ipset_chain_name(0, "management");
+ my $mngmnt_ipset_chain = compute_ipset_chain_name(0, "management", $ipversion);
my $mngmntsrc = "-m set --match-set ${mngmnt_ipset_chain} src";
ruleset_addrule($ruleset, $chain, "$mngmntsrc -p tcp --dport 8006 -j $accept_action"); # PVE API
ruleset_addrule($ruleset, $chain, "$mngmntsrc -p tcp --dport 5900:5999 -j $accept_action"); # PVE VNC Console
ruleset_addrule($ruleset, $chain, "$mngmntsrc -p tcp --dport 3128 -j $accept_action"); # SPICE Proxy
ruleset_addrule($ruleset, $chain, "$mngmntsrc -p tcp --dport 22 -j $accept_action"); # SSH
- my $localnet = local_network();
+ my ($localnet, $localnet_ver) = parse_ip_or_cidr(local_network());
# corosync
- if ($localnet) {
+ if ($localnet && ($ipversion == $localnet_ver)) {
my $corosync_rule = "-p udp --dport 5404:5405 -j $accept_action";
ruleset_addrule($ruleset, $chain, "-s $localnet -d $localnet $corosync_rule");
ruleset_addrule($ruleset, $chain, "-s $localnet -m addrtype --dst-type MULTICAST $corosync_rule");
# implement input policy
my $policy = $cluster_options->{policy_in} || 'DROP'; # allow nothing by default
- ruleset_add_chain_policy($ruleset, $chain, 0, $policy, $loglevel, $accept_action);
+ ruleset_add_chain_policy($ruleset, $chain, $ipversion, 0, $policy, $loglevel, $accept_action);
# host outbound firewall
$chain = "PVEFW-HOST-OUT";
# add host rules first, so that cluster wide rules can be overwritten
foreach my $rule (@$rules, @$cluster_rules) {
next if !$rule->{enable} || $rule->{errors};
+ next if $rule->{ipversion} && ($rule->{ipversion} != $ipversion);
$rule->{iface_out} = $rule->{iface} if $rule->{iface};
eval {
if ($rule->{type} eq 'group') {
ruleset_add_group_rule($ruleset, $cluster_conf, $chain, $rule, 'OUT', $accept_action, $ipversion);
} elsif ($rule->{type} eq 'out') {
- ruleset_generate_rule($ruleset, $chain, $rule, { ACCEPT => $accept_action, REJECT => "PVEFW-reject" },
+ ruleset_generate_rule($ruleset, $chain, $ipversion,
+ $rule, { ACCEPT => $accept_action, REJECT => "PVEFW-reject" },
undef, $cluster_conf, $hostfw_conf);
}
};
}
# allow standard traffic on cluster network
- if ($localnet) {
+ if ($localnet && ($ipversion == $localnet_ver)) {
ruleset_addrule($ruleset, $chain, "-d $localnet -p tcp --dport 8006 -j $accept_action"); # PVE API
ruleset_addrule($ruleset, $chain, "-d $localnet -p tcp --dport 22 -j $accept_action"); # SSH
ruleset_addrule($ruleset, $chain, "-d $localnet -p tcp --dport 5900:5999 -j $accept_action"); # PVE VNC Console
# implement output policy
$policy = $cluster_options->{policy_out} || 'ACCEPT'; # allow everything by default
- ruleset_add_chain_policy($ruleset, $chain, 0, $policy, $loglevel, $accept_action);
+ ruleset_add_chain_policy($ruleset, $chain, $ipversion, 0, $policy, $loglevel, $accept_action);
ruleset_addrule($ruleset, "PVEFW-OUTPUT", "-j PVEFW-HOST-OUT");
ruleset_addrule($ruleset, "PVEFW-INPUT", "-j PVEFW-HOST-IN");
foreach my $rule (@$rules) {
next if $rule->{type} ne 'in';
next if $rule->{ipversion} && $rule->{ipversion} ne $ipversion;
- ruleset_generate_rule($ruleset, $chain, $rule, { ACCEPT => "PVEFW-SET-ACCEPT-MARK", REJECT => "PVEFW-reject" }, undef, $cluster_conf);
+ ruleset_generate_rule($ruleset, $chain, $ipversion, $rule,
+ { ACCEPT => "PVEFW-SET-ACCEPT-MARK", REJECT => "PVEFW-reject" },
+ undef, $cluster_conf);
}
$chain = "GROUP-${group}-OUT";
next if $rule->{ipversion} && $rule->{ipversion} ne $ipversion;
# we use PVEFW-SET-ACCEPT-MARK (Instead of ACCEPT) because we need to
# check also other tap rules later
- ruleset_generate_rule($ruleset, $chain, $rule,
- { ACCEPT => 'PVEFW-SET-ACCEPT-MARK', REJECT => "PVEFW-reject" }, undef, $cluster_conf);
+ ruleset_generate_rule($ruleset, $chain, $ipversion, $rule,
+ { ACCEPT => 'PVEFW-SET-ACCEPT-MARK', REJECT => "PVEFW-reject" },
+ undef, $cluster_conf);
}
}
my ($clusterfw_conf, $fw_conf, $cidr) = @_;
my $alias = lc($cidr);
- my $e = $fw_conf->{aliases}->{$alias} if $fw_conf;
+ my $e = $fw_conf ? $fw_conf->{aliases}->{$alias} : undef;
$e = $clusterfw_conf->{aliases}->{$alias} if !$e && $clusterfw_conf;
die "no such alias '$cidr'\n" if !$e;;
ruleset_create_chain($ruleset, $chain);
foreach my $rule (@{$std_chains->{$chain}}) {
if (ref($rule)) {
- ruleset_generate_rule($ruleset, $chain, $rule);
+ ruleset_generate_rule($ruleset, $chain, $ipversion, $rule);
} else {
ruleset_addrule($ruleset, $chain, $rule);
}
}
sub generate_ipset_chains {
- my ($ipset_ruleset, $clusterfw_conf, $fw_conf) = @_;
+ my ($ipset_ruleset, $clusterfw_conf, $fw_conf) = @_; #fixme
foreach my $ipset (keys %{$fw_conf->{ipset}}) {
- my $ipset_chain = compute_ipset_chain_name($fw_conf->{vmid}, $ipset);
- generate_ipset($ipset_ruleset, $ipset_chain, $fw_conf->{ipset}->{$ipset}, $clusterfw_conf, $fw_conf);
- }
-}
-
-sub generate_ipset {
- my ($ipset_ruleset, $name, $options, $clusterfw_conf, $fw_conf) = @_;
- die "duplicate ipset chain '$name'\n" if defined($ipset_ruleset->{$name});
+ my $options = $fw_conf->{ipset}->{$ipset};
- $ipset_ruleset->{$name} = ["create $name list:set size 4"];
+ # remove duplicates
+ my $nethash = {};
+ foreach my $entry (@$options) {
+ next if $entry->{errors}; # skip entries with errors
+ eval {
+ my ($cidr, $ver);
+ if ($entry->{cidr} =~ m/^${ip_alias_pattern}$/) {
+ ($cidr, $ver) = resolve_alias($clusterfw_conf, $fw_conf, $entry->{cidr});
+ } else {
+ ($cidr, $ver) = parse_ip_or_cidr($entry->{cidr});
+ }
+ #http://backreference.org/2013/03/01/ipv6-address-normalization/
+ if ($ver == 6) {
+ my $ipv6 = inet_pton(AF_INET6, lc($cidr));
+ $cidr = inet_ntop(AF_INET6, $ipv6);
+ $cidr =~ s|/128$||;
+ } else {
+ $cidr =~ s|/32$||;
+ }
- # remove duplicates
- my $nethash = {};
- foreach my $entry (@$options) {
- next if $entry->{errors}; # skip entries with errors
- eval {
- my ($cidr, $ipversion);
- if ($entry->{cidr} =~ m/^${ip_alias_pattern}$/) {
- ($cidr, $ipversion) = resolve_alias($clusterfw_conf, $fw_conf, $entry->{cidr});
- } else {
- ($cidr, $ipversion) = parse_ip_or_cidr($entry->{cidr});
- }
- #http://backreference.org/2013/03/01/ipv6-address-normalization/
- if ($ipversion == 6) {
- my $ipv6 = inet_pton(AF_INET6, lc($cidr));
- $cidr = inet_ntop(AF_INET6, $ipv6);
- $cidr =~ s|/128$||;
- } else {
- $cidr =~ s|/32$||;
- }
+ $nethash->{$ver}->{$cidr} = { cidr => $cidr, nomatch => $entry->{nomatch} };
+ };
+ warn $@ if $@;
+ }
- $nethash->{$ipversion}->{$cidr} = { cidr => $cidr, nomatch => $entry->{nomatch} };
- };
- warn $@ if $@;
- }
+ foreach my $ipversion (4, 6) {
+ my $data = $nethash->{$ipversion};
- foreach my $ipversion (sort keys %$nethash) {
- my $data = $nethash->{$ipversion};
- my $subname = "$name-v$ipversion";
+ my $name = compute_ipset_chain_name($fw_conf->{vmid}, $ipset, $ipversion);
- my $hashsize = scalar(@$options);
- if ($hashsize <= 64) {
- $hashsize = 64;
- } else {
- $hashsize = round_powerof2($hashsize);
- }
+ my $hashsize = scalar(@$options);
+ if ($hashsize <= 64) {
+ $hashsize = 64;
+ } else {
+ $hashsize = round_powerof2($hashsize);
+ }
- my $family = $ipversion == "6" ? "inet6" : "inet";
+ my $family = $ipversion == "6" ? "inet6" : "inet";
- $ipset_ruleset->{$subname} = ["create $subname hash:net family $family hashsize $hashsize maxelem $hashsize"];
+ $ipset_ruleset->{$name} = ["create $name hash:net family $family hashsize $hashsize maxelem $hashsize"];
- foreach my $cidr (sort keys %$data) {
- my $entry = $data->{$cidr};
+ foreach my $cidr (sort keys %$data) {
+ my $entry = $data->{$cidr};
- my $cmd = "add $subname $cidr";
- if ($entry->{nomatch}) {
- if ($feature_ipset_nomatch) {
- push @{$ipset_ruleset->{$subname}}, "$cmd nomatch";
+ my $cmd = "add $name $cidr";
+ if ($entry->{nomatch}) {
+ if ($feature_ipset_nomatch) {
+ push @{$ipset_ruleset->{$name}}, "$cmd nomatch";
+ } else {
+ warn "ignore !$cidr - nomatch not supported by kernel\n";
+ }
} else {
- warn "ignore !$cidr - nomatch not supported by kernel\n";
+ push @{$ipset_ruleset->{$name}}, $cmd;
}
- } else {
- push @{$ipset_ruleset->{$subname}}, $cmd;
}
}
-
- push @{$ipset_ruleset->{$name}}, "add $name $subname";
}
}
my ($cluster_conf, $hostfw_conf, $vmfw_configs, $vmdata, $ipversion, $verbose) = @_;
$cluster_conf->{ipset}->{venet0} = [];
- my $venet0_ipset_chain = compute_ipset_chain_name(0, 'venet0');
+ my $venet0_ipset_chain = compute_ipset_chain_name(0, 'venet0', $ipversion);
my $localnet;
if ($cluster_conf->{aliases}->{local_network}) {
ruleset_addrule($ruleset, "PVEFW-INPUT", "-i venet0 -m set --match-set ${venet0_ipset_chain} src -j PVEFW-VENET-OUT");
ruleset_create_chain($ruleset, "PVEFW-FWBR-IN");
- ruleset_chain_add_input_filters($ruleset, "PVEFW-FWBR-IN", $hostfw_options, $cluster_conf, $ipversion, $loglevel);
+ ruleset_chain_add_input_filters($ruleset, "PVEFW-FWBR-IN", $ipversion, $hostfw_options, $cluster_conf, $loglevel);
ruleset_addrule($ruleset, "PVEFW-FORWARD", "-m physdev --physdev-is-bridged --physdev-in fwln+ -j PVEFW-FWBR-IN");
ruleset_addrule($ruleset, "PVEFW-FORWARD", "-m physdev --physdev-is-bridged --physdev-out fwln+ -j PVEFW-FWBR-OUT");
ruleset_create_chain($ruleset, "PVEFW-VENET-IN");
- ruleset_chain_add_input_filters($ruleset, "PVEFW-VENET-IN", $hostfw_options, $cluster_conf, $ipversion, $loglevel);
+ ruleset_chain_add_input_filters($ruleset, "PVEFW-VENET-IN", $ipversion, $hostfw_options, $cluster_conf, $loglevel);
ruleset_addrule($ruleset, "PVEFW-FORWARD", "-o venet0 -m set --match-set ${venet0_ipset_chain} dst -j PVEFW-VENET-IN");
my $ipset_ruleset = {};
- # currently pveproxy don't works with ipv6, so let's generate host fw ipv4 only for the moment
- if ($hostfw_enable && ($ipversion == 4)) {
+ if ($hostfw_enable) {
eval { enable_host_firewall($ruleset, $hostfw_conf, $cluster_conf, $ipversion); };
warn $@ if $@; # just to be sure - should not happen
}
}
}
- # create -v4 and -v6 chains first
foreach my $chain (keys %$ruleset) {
- next if $chain !~ m/-v[46]$/;
- my $stat = $statushash->{$chain};
- die "internal error" if !$stat;
-
- if ($stat->{action} eq 'create') {
- foreach my $cmd (@{$ruleset->{$chain}}) {
- $cmdlist .= "$cmd\n";
- }
- }
- }
-
- # then create list chains which use above -v4 and -v6 chains
- foreach my $chain (keys %$ruleset) {
- next if $chain =~ m/-v[46]$/;
my $stat = $statushash->{$chain};
die "internal error" if !$stat;
}
}
- # remove unused list chains first
- foreach my $chain (keys %$statushash) {
- next if $statushash->{$chain}->{action} ne 'delete';
- next if $chain !~ m/-v[46]$/;
-
- $delete_cmdlist .= "flush $chain\n";
- $delete_cmdlist .= "destroy $chain\n";
- }
-
- # the remove unused -v4 -v6 chains
+ # the remove unused chains
foreach my $chain (keys %$statushash) {
next if $statushash->{$chain}->{action} ne 'delete';
- next if $chain =~ m/-v[46]$/;
$delete_cmdlist .= "flush $chain\n";
$delete_cmdlist .= "destroy $chain\n";
}
}
+ my $tmpfile = "$pve_fw_status_dir/ipsetcmdlist1";
+ PVE::Tools::file_set_contents($tmpfile, $ipset_create_cmdlist || '');
+
ipset_restore_cmdlist($ipset_create_cmdlist);
+ $tmpfile = "$pve_fw_status_dir/ip4cmdlist";
+ PVE::Tools::file_set_contents($tmpfile, $cmdlist || '');
+
iptables_restore_cmdlist($cmdlist);
+
+ $tmpfile = "$pve_fw_status_dir/ip6cmdlist";
+ PVE::Tools::file_set_contents($tmpfile, $cmdlistv6 || '');
+
ip6tables_restore_cmdlist($cmdlistv6);
+ $tmpfile = "$pve_fw_status_dir/ipsetcmdlist2";
+ PVE::Tools::file_set_contents($tmpfile, $ipset_delete_cmdlist || '');
+
ipset_restore_cmdlist($ipset_delete_cmdlist) if $ipset_delete_cmdlist;
# test: re-read status and check if everything is up to date
my $ipset_chains = ipset_get_chains();
- my $sub_cmdlist = "";
my $cmdlist = "";
foreach my $chain (keys %$ipset_chains) {
- if ($chain =~ m/^PVEFW-\S+\-(v4|v6)$/) {
- $sub_cmdlist .= "flush $chain\n";
- $sub_cmdlist .= "destroy $chain\n";
- }else{
- $cmdlist .= "flush $chain\n";
- $cmdlist .= "destroy $chain\n";
- }
+ $cmdlist .= "flush $chain\n";
+ $cmdlist .= "destroy $chain\n";
}
- $cmdlist .= $sub_cmdlist;
-
ipset_restore_cmdlist($cmdlist) if $cmdlist;
}
return;
}
- my $hostfw_conf = load_hostfw_conf();
+ my $hostfw_conf = load_hostfw_conf($cluster_conf);
my ($ruleset, $ipset_ruleset, $rulesetv6) = compile($cluster_conf, $hostfw_conf);